oneechanhax/phunix
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Changed to use sys_readbios to get BIOS parameters.

Browse Source
This commit is contained in:
Philip Homburg 2006-07-10 12:34:41 +00:00
parent 6f4091eb8c
commit dcb7cae67c
1 changed files with 19 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/at_wini/at_wini.c
View File

@ -446,31 +446,33 @@ PRIVATE void init_params()
if (w_instance == 0) { if (w_instance == 0) {
/* Get the number of drives from the BIOS data area */ /* Get the number of drives from the BIOS data area */
if ((s=sys_vircopy(SELF, BIOS_SEG, NR_HD_DRIVES_ADDR, s=sys_readbios(NR_HD_DRIVES_ADDR, params, NR_HD_DRIVES_SIZE);
SELF, D, (vir_bytes) params, NR_HD_DRIVES_SIZE)) != OK) if (s != OK)
panic(w_name(), "Couldn't read BIOS", s); panic(w_name(), "Couldn't read BIOS", s);
if ((nr_drives = params[0]) > 2) nr_drives = 2; if ((nr_drives = params[0]) > 2) nr_drives = 2;
for (drive = 0, wn = wini; drive < COMPAT_DRIVES; drive++, wn++) { for (drive = 0, wn = wini; drive < COMPAT_DRIVES; drive++, wn++) {
if (drive < nr_drives) { if (drive < nr_drives) {
/* Copy the BIOS parameter vector */ /* Copy the BIOS parameter vector */
vector = (drive == 0) ? BIOS_HD0_PARAMS_ADDR:BIOS_HD1_PARAMS_ADDR; vector = (drive == 0) ? BIOS_HD0_PARAMS_ADDR :
size = (drive == 0) ? BIOS_HD0_PARAMS_SIZE:BIOS_HD1_PARAMS_SIZE; BIOS_HD1_PARAMS_ADDR;
if ((s=sys_vircopy(SELF, BIOS_SEG, vector, size = (drive == 0) ? BIOS_HD0_PARAMS_SIZE :
SELF, D, (vir_bytes) parv, size)) != OK) BIOS_HD1_PARAMS_SIZE;
panic(w_name(), "Couldn't read BIOS", s); s=sys_readbios(vector, parv, size);
if (s != OK)
panic(w_name(), "Couldn't read BIOS", s);
/* Calculate the address of the parameters and copy them */ /* Calculate the address of the parameters and copy them */
if ((s=sys_vircopy( s=sys_readbios(hclick_to_physb(parv[1]) + parv[0],
SELF, BIOS_SEG, hclick_to_physb(parv[1]) + parv[0], params, 16L);
SELF, D, (phys_bytes) params, 16L))!=OK) if (s != OK)
panic(w_name(),"Couldn't copy parameters", s); panic(w_name(),"Couldn't copy parameters", s);
/* Copy the parameters to the structures of the drive */ /* Copy the parameters to the structures of the drive */
wn->lcylinders = bp_cylinders(params); wn->lcylinders = bp_cylinders(params);
wn->lheads = bp_heads(params); wn->lheads = bp_heads(params);
wn->lsectors = bp_sectors(params); wn->lsectors = bp_sectors(params);
wn->precomp = bp_precomp(params) >> 2; wn->precomp = bp_precomp(params) >> 2;
} }
/* Fill in non-BIOS parameters. */ /* Fill in non-BIOS parameters. */